Home / 21,506.64-29,671.56-14,058.96

Finding the Fourth Proportional to 21,506.64, 29,671.56 and 14,058.96

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Solution

The fourth proportional to 21,506.64, 29,671.56 and 14,058.96 is: 19,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506.64 : 29,671.56 = 14,058.96 : x
  2. Step 2: Convert to fraction form
    21,506.64/29,671.56 = 14,058.96/x
  3. Step 3: Cross multiply
    21,506.64x = 29,671.56 × 14,058.96
  4. Step 4: Simplify right side
    21,506.64x = 417,151,275.18
  5. Step 5: Solve for x
    x = 417,151,275.18/21,506.64
  6. Step 6: Final answer
    x = 19,396.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.